Drain stopper



FIG. 1 is a rear and top perspective view of a drain stopper, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another rear and top perspective view thereof, shown in a state of use.

The broken lines shown in the drawings illustrate portions of the drain stopper that form no part of the claimed design. 

CLAIM The ornamental design for a drain stopper, as shown and described. 